.container {
  border-bottom: violet 1px solid;
  padding: 10px
}

.list-item {
  color: #333;
  text-decoration: none;
  font-size: 20px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
}

.list-item:hover {
  color: salmon;
}

.btn {
  cursor: pointer;
  margin-left: 100px;
  background-color: transparent;
  border: none;
  outline: none;
  font-size: 20px;
  transition: all .5s;
}

.btn:hover{
  /* transform: rotateZ(180deg) */
  opacity: .5;
}

div,
body {
  margin: 0;
  padding: 0;
}

img{
  position: absolute;
  right: 0;
  top: 48px;
  width: 20%;
}
